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## org.apache.tools.ant.taskdefs.optional.metamata
Class AbstractMetamataTask

    java.lang.Object
      org.apache.tools.ant.ProjectComponent
          org.apache.tools.ant.Task
              org.apache.tools.ant.taskdefs.optional.metamata.AbstractMetamataTask

Direct Known Subclasses:
  MAudit, MMetrics

public abstract class AbstractMetamataTask
extends Task

Somewhat abstract framework to be used for other metama 2.0 tasks. This should include, audit, metrics, cover and mparse. For more information, visit the website at www.metamata.com

Author:
  Stephane Bailliez

Field Summary
`protected Path` | `classPath` The user classpath to be provided.
`protected CommandlineJava` | `cmdl` the command line used to run MAudit
`protected java.util.Vector` | `fileSets` the set of files to be audited
`protected java.util.Hashtable` | `includedFiles`
`protected java.io.File` | `metamataHome` Metamata home directory.
`protected java.io.File` | `optionsFile` the options file where are stored the command line options
`protected Path` | `sourcePath` the path to the source file

Fields inherited from class org.apache.tools.ant.Task
`description, location, target, taskName, taskType, wrapper`

Fields inherited from class org.apache.tools.ant.ProjectComponent
`project`

Constructor Summary
`` | `AbstractMetamataTask()`
`protected` | `AbstractMetamataTask(java.lang.String className)` initialize the task with the classname of the task to run

Method Summary
`protected static void` | `addAllVector(java.util.Vector dest, java.util.Enumeration files)` convenient method for JDK 1.1.
`void` | `addFileSet(FileSet fs)` The java files or directory to audit.
`protected void` | `checkOptions()` validate options set
`protected void` | `cleanUp()` clean up all the mess that we did with temporary objects
`Path` | `createClasspath()` Sets the class path (also source path unless one explicitly set).
`Commandline.Argument` | `createJvmarg()` Additional optional parameters to pass to the JVM.
`Path` | `createSourcepath()` Sets the source path.
`protected abstract ExecuteStreamHandler` | `createStreamHandler()` create a stream handler that will be used to get the output since metamata tools do not report with convenient files such as XML.
`protected java.io.File` | `createTmpFile()`
`void` | `execute()` execute the command line
`protected void` | `execute0(ExecuteStreamHandler handler)` execute the process with a specific handler
`protected void` | `generateOptionsFile(java.io.File tofile, java.util.Vector options)`
`protected java.util.Hashtable` | `getFileMapping()`
`protected java.io.File` | `getMetamataJar(java.io.File home)` return the location of the jar file used to run
`protected abstract java.util.Vector` | `getOptions()` return all options of the command line as string elements
`protected java.util.Hashtable` | `scanSources(java.util.Hashtable map)`
`protected java.util.Hashtable` | `scanSources(java.util.Hashtable mapping, java.lang.String[] entries)`
`void` | `setHome(java.io.File value)` the metamata.home property to run all tasks.
`void` | `setMaxmemory(java.lang.String max)` Set the maximum memory for the JVM; optional.
`void` | `setMetamatahome(java.io.File value)` The home directory containing the Metamata distribution; required
`protected void` | `setUp()` check the options and build the command line

Methods inherited from class org.apache.tools.ant.Task
`getDescription, getLocation, getOwningTarget, getRuntimeConfigurableWrapper, getTaskName, handleErrorFlush, handleErrorOutput, handleFlush, handleOutput, init, isInvalid, log, log, maybeConfigure, perform, setDescription, setLocation, setOwningTarget, setRuntimeConfigurableWrapper, setTaskName`

Methods inherited from class org.apache.tools.ant.ProjectComponent
`getProject, setProject`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### classPath

    protected Path classPath

  The user classpath to be provided. It matches the -classpath of the command line. The classpath must includes both the `.class` and the `.java` files for accurate audit.

### sourcePath

    protected Path sourcePath

  the path to the source file

### metamataHome

    protected java.io.File metamataHome

  Metamata home directory. It will be passed as a `metamata.home` property and should normally matches the environment property `META_HOME` set by the Metamata installer.

### cmdl

    protected CommandlineJava cmdl

  the command line used to run MAudit

### fileSets

    protected java.util.Vector fileSets

  the set of files to be audited

### optionsFile

    protected java.io.File optionsFile

  the options file where are stored the command line options

### includedFiles

    protected java.util.Hashtable includedFiles

Constructor Detail

### AbstractMetamataTask

    public AbstractMetamataTask()

### AbstractMetamataTask

    protected AbstractMetamataTask(java.lang.String className)

  initialize the task with the classname of the task to run

Method Detail

### setHome

    public void setHome(java.io.File value)

  the metamata.home property to run all tasks.

### setMetamatahome

    public void setMetamatahome(java.io.File value)

  The home directory containing the Metamata distribution; required

### createClasspath

    public Path createClasspath()

  Sets the class path (also source path unless one explicitly set). Overrides METAPATH/CLASSPATH environment variables.

### createSourcepath

    public Path createSourcepath()

  Sets the source path. Overrides the SOURCEPATH environment variable.

### createJvmarg

    public Commandline.Argument createJvmarg()

  Additional optional parameters to pass to the JVM. You can avoid using the `<jvmarg>` by adding these empty entries to `metamata.properties` located at `${metamata.home}/bin`

      metamata.classpath=
       metamata.sourcepath=
       metamata.baseclasspath=

### setMaxmemory

    public void setMaxmemory(java.lang.String max)

  Set the maximum memory for the JVM; optional. -mx or -Xmx depending on VM version

### addFileSet

    public void addFileSet(FileSet fs)

  The java files or directory to audit. Whatever the filter is, only the files that end with .java will be included for processing. Note that the base directory used for the fileset MUST be the root of the source files otherwise package names deduced from the file path will be incorrect.

### execute

    public void execute()
                 throws BuildException

  execute the command line

  Overrides:
    `execute` in class `Task`
  Throws:
    `BuildException` - if something goes wrong with the build

### setUp

    protected void setUp()
                  throws BuildException

  check the options and build the command line

  Throws:
    `BuildException`

### createStreamHandler

    protected abstract ExecuteStreamHandler createStreamHandler()

  create a stream handler that will be used to get the output since metamata tools do not report with convenient files such as XML.

### execute0

    protected void execute0(ExecuteStreamHandler handler)
                     throws BuildException

  execute the process with a specific handler

  Throws:
    `BuildException`

### cleanUp

    protected void cleanUp()

  clean up all the mess that we did with temporary objects

### getMetamataJar

    protected final java.io.File getMetamataJar(java.io.File home)

  return the location of the jar file used to run

### checkOptions

    protected void checkOptions()
                         throws BuildException

  validate options set

  Throws:
    `BuildException`

### getOptions

    protected abstract java.util.Vector getOptions()

  return all options of the command line as string elements

### generateOptionsFile

    protected void generateOptionsFile(java.io.File tofile,
                                       java.util.Vector options)
                                throws BuildException

  Throws:
    `BuildException`

### getFileMapping

    protected java.util.Hashtable getFileMapping()

### addAllVector

    protected static final void addAllVector(java.util.Vector dest,
                                             java.util.Enumeration files)

  convenient method for JDK 1.1. Will copy all elements from src to dest

### createTmpFile

    protected final java.io.File createTmpFile()

### scanSources

    protected java.util.Hashtable scanSources(java.util.Hashtable map)

  Returns:
    the list of .java files (as their absolute path) that should be audited.

### scanSources

    protected java.util.Hashtable scanSources(java.util.Hashtable mapping,
                                              java.lang.String[] entries)

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